Adapter for a track light



FIG. 1 is a perspective view of an adapter for a track light showing our new design;

FIG. 2 is a side elevational view thereof on an enlarged scale, the opposite side being a mirror image;

FIG. 3 is a top plan view thereof on an enlarged scale; and

FIG. 4 is a bottom plan view thereof on an enlarged scale. 

The ornamental design for an adapter for a track light, as shown and described. 